This is a superindex for indices related to movement from place to place.
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+ FasterThanLightIndex
+ FlyingTropes
+ NavigationTropes
+ TeleportationTropes
+ TravelCool
+ VehicleIndex
++ MotorVehicleTropes
++ RailroadIndex
++ SeaborneAndSubmersibleVehicles
++ {{Spacecraft}}
++ TropesOnAPlane
+ VelocityIndex
+ WalkingTropes
++ DangerousHeights
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